oss-fuzz/projects/woodstox/XmlFuzzer.java

61 lines
2.0 KiB
Java

// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////////
import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import java.io.ByteArrayInputStream;
import javax.xml.stream.*;
import com.ctc.wstx.stax.WstxInputFactory;
import com.ctc.wstx.exc.WstxLazyException;
public class XmlFuzzer {
public static void fuzzerTestOneInput(FuzzedDataProvider data) {
WstxInputFactory STAX_F = new WstxInputFactory();
try {
XMLStreamReader sr = STAX_F.createXMLStreamReader(new ByteArrayInputStream(data.consumeRemainingAsBytes()));
streamThrough(sr);
sr.close();
} catch (XMLStreamException | WstxLazyException e) {
}
}
public static int streamThrough(XMLStreamReader sr) throws XMLStreamException {
int result = 0;
while (sr.hasNext()) {
int type = sr.next();
result += type;
if (sr.hasText()) {
result += getText(sr).hashCode();
}
if (sr.hasName()) {
result += sr.getName().hashCode();
}
}
return result;
}
public static String getText(XMLStreamReader sr) {
int type = sr.getEventType();
int expLen = sr.getTextLength();
String text = sr.getText();
char[] textChars = sr.getTextCharacters();
int start = sr.getTextStart();
return text;
}
}